我使用了 Rehmat 和 Calmarius 的代码并进行了一些更改，所以现在它可以处理多个具有相同名称的字段，例如
<input type="text" name="example[]">
<input type="text" name="example[]">
<input type="text" name="example[]">
以及上传文件，包括使用相同字段名称的多个文件。
这里是：
<?php
error_reporting(E_ALL);
ini_set('display_errors', '1');
class proxy {
private $logHeaders = false;
/* Site to forward requests to. */
private $site = 'http://redirectToSite';
/* Domains to use when rewriting some headers. */
private $remoteDomain = 'redirectToSite';
private $proxyDomain = 'yourproxydomain.com';
public function __construct() {
$request = $_SERVER['REQUEST_URI'];
$ch = curl_init();
/* If there was a POST request, then forward that as well.*/
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$post = $this->sanitizePostFields($_POST);
$files = $this->sanitizeFiles($_FILES);
if ($files) {
$post = array_merge($post, $files);
}
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
/*
// this is enough if not uploading files
curl_setopt(
$ch,
CURLOPT_POSTFIELDS,
http_build_query($_POST)
);
*/
}
curl_setopt($ch, CURLOPT_URL, $this->site . $request);
curl_setopt($ch, CURLOPT_HEADER, TRUE);
$headers = getallheaders();
/*
Translate some headers to make the remote party think we
actually browsing that site.
*/
$extraHeaders = array();
if (isset($headers['Referer'])) {
$extraHeaders[] = 'Referer: '. str_replace(
$this->proxyDomain,
$this->remoteDomain,
$headers['Referer']
);
}
if (isset($headers['Origin'])) {
$extraHeaders[] = 'Origin: '. str_replace(
$this->proxyDomain,
$this->remoteDomain,
$headers['Origin']
);
}
/*
Forward cookie as it came.
*/
curl_setopt($ch, CURLOPT_HTTPHEADER, $extraHeaders);
if (isset($headers['Cookie'])) {
curl_setopt($ch, CURLOPT_COOKIE, $headers['Cookie']);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
if ($this->logHeaders) {
$f = fopen("headers.txt", "a");
curl_setopt($ch, CURLOPT_VERBOSE, TRUE);
curl_setopt($ch, CURLOPT_STDERR, $f);
}
//curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$response = curl_exec($ch);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$headers = substr($response, 0, $header_size);
$body = substr($response, $header_size);
$headerArray = explode(PHP_EOL, $headers);
/* Process response headers. */
foreach($headerArray as $header) {
$colonPos = strpos($header, ':');
if ($colonPos !== FALSE) {
$headerName = substr($header, 0, $colonPos);
/*
Ignore content headers, let the webserver decide how to
deal with the content.
*/
if (trim($headerName) == 'Content-Encoding') continue;
if (trim($headerName) == 'Content-Length') continue;
if (trim($headerName) == 'Transfer-Encoding') continue;
//if (trim($headerName) == 'Location') continue;
/* -- */
/* Change cookie domain for the proxy */
if (trim($headerName) == 'Set-Cookie') {
$header = str_replace(
'domain='.$this->remoteDomain,
'domain='.$this->proxyDomain,
$header
);
}
/* -- */
if (trim($headerName) == 'Location') {
$header = str_replace(
$this->remoteDomain,
$this->proxyDomain,
$header
);
}
}
header($header, FALSE);
}
echo $body;
if ($this->logHeaders) {
fclose($f);
}
curl_close($ch);
}
private function sanitizePostFields($post, $fieldName = '') {
if (empty($post)) { return false; }
if (!is_array($post)) { return false; }
$result = [];
foreach ($post as $k => $v) {
if (is_string($v)) {
$result[($fieldName ? "{$fieldName}[{$k}]" : $k)] = $v;
}
elseif (is_array($v)) {
$result = array_merge(
$result,
$this->sanitizePostFields($v, $k)
);
}
}
return $result;
}
private function sanitizeFiles($files) {
if (empty($files)) { return false; }
if (!is_array($files)) { return false; }
$result = [];
foreach ($files as $k => $v) {
if (empty($v['name'])) { continue; }
if (is_array($v['name'])) {
// more than one file using the same name field[]
$nFields = count($v['name']);
for ($i = 0; $i < $nFields; $i++) {
if (empty($v['tmp_name'][$i])) { continue; }
$curl_file_upload = new CURLFile(
$v['tmp_name'][$i],
$v['type'][$i],
$v['name'][$i]
);
$result["{$k}[{$i}]"] = $curl_file_upload;
}
}
else {
$curl_file_upload = new CURLFile(
$v['tmp_name'],
$v['type'],
$v['name']
);
$result[$k] = $curl_file_upload;
}
}
return $result;
}
}
$proxy = new proxy();